Home / 7,159.25-9,872.96-5,480.73

Finding the Fourth Proportional to 7,159.25, 9,872.96 and 5,480.73

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Solution

The fourth proportional to 7,159.25, 9,872.96 and 5,480.73 is: 7,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.25 : 9,872.96 = 5,480.73 : x
  2. Step 2: Convert to fraction form
    7,159.25/9,872.96 = 5,480.73/x
  3. Step 3: Cross multiply
    7,159.25x = 9,872.96 × 5,480.73
  4. Step 4: Simplify right side
    7,159.25x = 54,111,000.66
  5. Step 5: Solve for x
    x = 54,111,000.66/7,159.25
  6. Step 6: Final answer
    x = 7,558.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.